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https://github.com/kentcdodds/advanced-react-patterns

Learn how to build simple and flexible React Components and Hooks using modern patterns
https://github.com/kentcdodds/advanced-react-patterns

epicreact-dev kcd-edu react react-components react-patterns workshop

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Learn how to build simple and flexible React Components and Hooks using modern patterns

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🀯 Advanced React Patterns πŸš€ EpicReact.Dev



Learn how to build simple and flexible React Components and Hooks using
modern patterns


Not only learn great patterns you can use but also the strengths and
weaknesses of each, so you know which to reach for to provide your custom
hooks and components the flexibility and power you need.


Learn React from Start to Finish


[![Build Status][build-badge]][build]
[![All Contributors][all-contributors-badge]](#contributors)
[![GPL 3.0 License][license-badge]][license]
[![Code of Conduct][coc-badge]][coc]
[![Gitpod ready-to-code][gitpod-badge]](https://gitpod.io/#https://github.com/kentcdodds/advanced-react-patterns)

## Prerequisites

- Read my blog post
[Inversion of Control](https://kentcdodds.com/blog/inversion-of-control). Or
watch
[Implement Inversion of Control](https://egghead.io/lessons/egghead-implement-inversion-of-control?pl=kent-s-blog-posts-as-screencasts-eefa540c&af=5236ad)
- The more experience you have with building React abstractions, the more
helpful this workshop will be for you.

> NOTE: The EpicReact.dev videos were recorded with React version ^16.13 and all
> material in this repo has been updated to React version ^18. Differences are
> minor and any relevant differences are noted in the instructions.

## Quick start

It's recommended you run everything in the same environment you work in every
day, but if you don't want to set up the repository locally, you can get started
in one click with [Gitpod](https://gitpod.io),
[CodeSandbox](https://codesandbox.io/s/github/kentcdodds/advanced-react-patterns),
or by following the [video demo](https://www.youtube.com/watch?v=gCoVJm3hGk4)
instructions for [GitHub Codespaces](https://github.com/features/codespaces).

[![Open in Gitpod](https://gitpod.io/button/open-in-gitpod.svg)](https://gitpod.io/#https://github.com/kentcdodds/advanced-react-patterns)

For a local development environment, follow the instructions below

## System Requirements

- [git][git] v2.13 or greater
- [NodeJS][node] `>=16`
- [npm][npm] v8.16.0 or greater

All of these must be available in your `PATH`. To verify things are set up
properly, you can run this:

```shell
git --version
node --version
npm --version
```

If you have trouble with any of these, learn more about the PATH environment
variable and how to fix it here for [windows][win-path] or
[mac/linux][mac-path].

## Setup

> If you want to commit and push your work as you go, you'll want to
> [fork](https://docs.github.com/en/free-pro-team@latest/github/getting-started-with-github/fork-a-repo)
> first and then clone your fork rather than this repo directly.

After you've made sure to have the correct things (and versions) installed, you
should be able to just run a few commands to get set up:

```shell
git clone https://github.com/kentcdodds/advanced-react-patterns.git
cd advanced-react-patterns
node setup
```

This may take a few minutes. **It will ask you for your email.** This is
optional and just automatically adds your email to the links in the project to
make filling out some forms easier.

If you get any errors, please read through them and see if you can find out what
the problem is. If you can't work it out on your own then please [file an
issue][issue] and provide _all_ the output from the commands you ran (even if
it's a lot).

If you can't get the setup script to work, then just make sure you have the
right versions of the requirements listed above, and run the following commands:

```shell
npm install
npm run validate
```

If you are still unable to fix issues and you know how to use Docker 🐳 you can
setup the project with the following command:

```shell
docker-compose up
```

## Running the app

To get the app up and running (and really see if it worked), run:

```shell
npm start
```

This should start up your browser. If you're familiar, this is a standard
[react-scripts](https://create-react-app.dev/) application.

You can also open
[the deployment of the app on Netlify](https://advanced-react-patterns.netlify.app/).

## Running the tests

```shell
npm test
```

This will start [Jest](https://jestjs.io/) in watch mode. Read the output and
play around with it. The tests are there to help you reach the final version,
however _sometimes_ you can accomplish the task and the tests still fail if you
implement things differently than I do in my solution, so don't look to them as
a complete authority.

### Exercises

- `src/exercise/00.md`: Background, Exercise Instructions, Extra Credit
- `src/exercise/00.js`: Exercise with Emoji helpers
- `src/__tests__/00.js`: Tests
- `src/final/00.js`: Final version
- `src/final/00.extra-0.js`: Final version of extra credit

The purpose of the exercise is **not** for you to work through all the material.
It's intended to get your brain thinking about the right questions to ask me as
_I_ walk through the material.

### Helpful Emoji 🐨 πŸ’° πŸ’― πŸ“ πŸ¦‰ πŸ“œ πŸ’£ πŸ’ͺ 🏁 πŸ‘¨β€πŸ’Ό 🚨

Each exercise has comments in it to help you get through the exercise. These fun
emoji characters are here to help you.

- **Kody the Koala** 🐨 will tell you when there's something specific you should
do
- **Marty the Money Bag** πŸ’° will give you specific tips (and sometimes code)
along the way
- **Hannah the Hundred** πŸ’― will give you extra challenges you can do if you
finish the exercises early.
- **Nancy the Notepad** πŸ“ will encourage you to take notes on what you're
learning
- **Olivia the Owl** πŸ¦‰ will give you useful tidbits/best practice notes and a
link for elaboration and feedback.
- **Dominic the Document** πŸ“œ will give you links to useful documentation
- **Berry the Bomb** πŸ’£ will be hanging around anywhere you need to blow stuff
up (delete code)
- **Matthew the Muscle** πŸ’ͺ will indicate that you're working with an exercise
- **Chuck the Checkered Flag** 🏁 will indicate that you're working with a final
- **Peter the Product Manager** πŸ‘¨β€πŸ’Ό helps us know what our users want
- **Alfred the Alert** 🚨 will occasionally show up in the test failures with
potential explanations for why the tests are failing.

## Contributors

Thanks goes to these wonderful people
([emoji key](https://github.com/kentcdodds/all-contributors#emoji-key)):



Kent C. Dodds
Kent C. Dodds

πŸ’» πŸ“– πŸš‡ ⚠️
FWeinb
FWeinb

πŸ› πŸ€”
David Lannoye
David Lannoye

πŸ› πŸ“–
Colin Cummings
Colin Cummings

πŸ’» ⚠️
Benji Koltai
Benji Koltai

πŸ“–
Sumit Bagga
Sumit Bagga

πŸ“–
Yury Tarabanko
Yury Tarabanko

πŸ’»


Alex Wendte
Alex Wendte

πŸ’»
Ives van Hoorne
Ives van Hoorne

πŸ’» ⚠️
Łukasz Gandecki
Łukasz Gandecki

πŸ“–
Deniz Tetik
Deniz Tetik

πŸ–‹
Ruffeng
Ruffeng

πŸ–‹ πŸ’»
Justin Dorfman
Justin Dorfman

πŸ”
Alex Munoz
Alex Munoz

πŸ“–


Marco Moretti
Marco Moretti

πŸ’»
Emili
Emili

πŸ“–
balavishnuvj
balavishnuvj

πŸ’»
Pritam Sangani
Pritam Sangani

πŸ’»
Kasia Kosturek
Kasia Kosturek

πŸ“–
Emmanouil Zoumpoulakis
Emmanouil Zoumpoulakis

πŸ“–
Peter HozΓ‘k
Peter HozΓ‘k

πŸ’»


Pavel Fomchenkov
Pavel Fomchenkov

πŸ“–
Seema Ullal
Seema Ullal

πŸ“–
Patrick Clery
Patrick Clery

πŸ“–
Stijn Geens
Stijn Geens

πŸ“–
MichaΓ«l De Boey
MichaΓ«l De Boey

πŸ’»
Dale Seo
Dale Seo

πŸ“–
Bobby Warner
Bobby Warner

πŸ’»


Sophia Brandt
Sophia Brandt

πŸ“–
ph08n1x
ph08n1x

πŸ“–
Suhas R More
Suhas R More

πŸ’»
0xnoob
0xnoob

πŸ’»
Pavlos Vinieratos
Pavlos Vinieratos

πŸ“–
Ruben Casas
Ruben Casas

πŸ’» πŸ“–
Mario Sannum
Mario Sannum

πŸ’»


Abhishek Rawat
Abhishek Rawat

πŸ“–
Fullchee Zhang
Fullchee Zhang

πŸ“–
Yaseen
Yaseen

πŸ“–
Jeff Potter
Jeff Potter

πŸ“–
Kenny Gray
Kenny Gray

πŸ›
Jorge Ruvalcaba
Jorge Ruvalcaba

πŸ“–
Pawan Kumar
Pawan Kumar

πŸ“–


juliane nagao
juliane nagao

πŸ“–

This project follows the
[all-contributors](https://github.com/kentcdodds/all-contributors)
specification. Contributions of any kind welcome!

## Workshop Feedback

Each exercise has an Elaboration and Feedback link. Please fill that out after
the exercise and instruction.

At the end of the workshop, please go to this URL to give overall feedback.
Thank you! https://kcd.im/arp-ws-feedback

[npm]: https://www.npmjs.com/
[node]: https://nodejs.org
[git]: https://git-scm.com/
[build-badge]: https://img.shields.io/github/workflow/status/kentcdodds/advanced-react-patterns/validate/main?logo=github&style=flat-square
[build]: https://github.com/kentcdodds/advanced-react-patterns/actions?query=workflow%3Avalidate
[license-badge]: https://img.shields.io/badge/license-GPL%203.0%20License-blue.svg?style=flat-square
[license]: https://github.com/kentcdodds/advanced-react-patterns/blob/main/LICENSE.md
[coc-badge]: https://img.shields.io/badge/code%20of-conduct-ff69b4.svg?style=flat-square
[gitpod-badge]: https://img.shields.io/badge/Gitpod-ready--to--code-908a85?logo=gitpod
[coc]: https://github.com/kentcdodds/advanced-react-patterns/blob/main/CODE_OF_CONDUCT.md
[emojis]: https://github.com/kentcdodds/all-contributors#emoji-key
[all-contributors]: https://github.com/kentcdodds/all-contributors
[all-contributors-badge]: https://img.shields.io/github/all-contributors/kentcdodds/advanced-react-patterns?color=orange&style=flat-square
[win-path]: https://www.howtogeek.com/118594/how-to-edit-your-system-path-for-easy-command-line-access/
[mac-path]: http://stackoverflow.com/a/24322978/971592
[issue]: https://github.com/kentcdodds/advanced-react-patterns/issues/new